Researchers say Earth’s core is soft

When I grew up, I was told that our planet's core was made of lava - and that I'd never be able to dig through the planet to get out the other side. I was misinformed. While it still seems that I cannot tunnel through the planet (with the tools I have in my garage), the inner core of our planet Earth is apparently solid. Researchers Associate Professor Hrvoje Tkalčić and PhD Scholar Than-Son Phạm of The Australian National University (ANU) published a paper on the subject this week.